hmmm sounds ok to me..Hps for seedlings can be a little stressful for em fluros are the best for vegging but funds are usualy an issue so id recommend moving that light to about 17" away from the tops...also is that foil your using in the grow room or is it jus me!? if it is foil it can create unwanted heat = more stress! although ur temps do sound perfect for growing...try using some mylar much more effective light reflection and no heat!! hope it works out...